2531462420 has 24 divisors (see below), whose sum is σ = 5319211464. Its totient is φ = 1011986816.

The previous prime is 2531462399. The next prime is 2531462489. The reversal of 2531462420 is 242641352.

It can be written as a sum of positive squares in 4 ways, for example, as 783888004 + 1747574416 = 27998^2 + 41804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859 + ... + 71178.

It is an arithmetic number, because the mean of its divisors is an integer number (221633811).

Almost surely, 2^2531462420 is an apocalyptic number.

2531462420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531462420 is an abundant number, since it is smaller than the sum of its proper divisors (2787749044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531462420 is a wasteful number, since it uses less digits than its factorization.

2531462420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74779 (or 74777 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2531462420 is about 50313.6404963902. The cubic root of 2531462420 is about 1362.8785662991.

The spelling of 2531462420 in words is "two billion, five hundred thirty-one million, four hundred sixty-two thousand, four hundred twenty".